Difference between revisions of "BlackBlockGoogle"

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1. Open ublock dashboard
 
1. Open ublock dashboard
 +
 
2. Select the tab "My filters"
 
2. Select the tab "My filters"
 +
 
3. Past this list[https://gist.github.com/nipos/e572a37c1939bf5bcdf04a38ef229152] hosts to your ublock configuration.
 
3. Past this list[https://gist.github.com/nipos/e572a37c1939bf5bcdf04a38ef229152] hosts to your ublock configuration.
  

Revision as of 11:51, 26 August 2018

Methods

There are different methods for blocking google..

Browser extensions

Using ublock

Install the extension ublock origin [1] on your firefox installation.

1. Open ublock dashboard

2. Select the tab "My filters"

3. Past this list[2] hosts to your ublock configuration.


Blocking using hosts file

You can edit your hosts file like the one showed here.

Doing this all listed domains will be redirected to that ip address. You can easily change the ip addresses whit your local host 127.0.0.1 or whatever you want :)


Blocking using a firewall

Using OpenWRT / iptables

This is a script that would run on OpenWRT:

With some modification (maybe) to the output processing of the nslookup command, or use host, it'll work on your local *NIX box

You would do, for example:

  • root@OpenWrt:~# ./iptsetup.sh google.com gl 1
  • That would create for you add_gl.sh and del_gl.sh in the current working directory.
  • Then run ./add_gl.sh and all packets destined to google will be marked with MARK 1
  • So add a rule something like:
iptables -N reject
iptables -A OUTPUT -m mark --mark 1 -j reject
iptables -A reject -p tcp -j REJECT --reject-with tcp-reset
iptables -A reject -j REJECT --reject-with icmp-port-unreachable

  • You also need to feed traffic into the m_ip chain in your mangle table.
  • How you might wish to do this is left as an exercise to the reader ;-) (don't just blindly "follow", Read up!!)

But for example, you could do something as simple as this, seeing as how you are running on a router:


iptables -t mangle -A PREROUTING -s lan-ip.of.user-that-not-want.google -j m_ip


#!/bin/sh
#
## iptsetup.sh domain.com name fwmark#
#
IP=`nslookup $1 | grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | tail -n1 | cut -d\  -f3`
AS=`wget -q -O - http://ipinfo.io/$IP/org | cut -f1 -d \  | sed -e 's/AS//'`

echo '#!/bin/sh' > add_$2.sh
chmod 750 add_$2.sh
echo '#!/bin/sh' > del_$2.sh
chmod 750 del_$2.sh
NETWORKS=`wget -O - http://stat.ripe.net/data/announced-prefixes/data.yaml?resource=$AS|grep prefix\:|grep -v \:\:|awk '{print $3}'`

echo "iptables -t mangle -N $2_ip" >> add_$2.sh
echo "iptables -t mangle -N $2_do" >> add_$2.sh
echo "iptables -t mangle -A m_ip -j $2_ip" >> add_$2.sh
echo "iptables -t mangle -D m_ip -j $2_ip" >> del_$2.sh

for i in $NETWORKS; do echo "iptables -t mangle -A $2_ip -d $i -j $2_do" >> add_$2.sh; done
for i in $NETWORKS; do echo "iptables -t mangle -D $2_ip -d $i -j $2_do" >> del_$2.sh; done

echo "iptables -t mangle -A $2_do -j MARK --set-mark $3" >> add_$2.sh
echo "iptables -t mangle -D $2_do -j MARK --set-mark $3" >> del_$2.sh

echo "iptables -t mangle -X $2_ip" >> del_$2.sh
echo "iptables -t mangle -X $2_do" >> del_$2.sh


Other tools

Useful addons for a private, free & open source internet

Privacy badge [3] is a very easy friendly and powerful tool for blocking trackers and ads.

Ensure your browser only runs opensource/readable javascript code with librejs [4]

Made your browser click and load random ads to obfuscate monitoring and tracking with adnauseam [5]

Trackmenot [6]

Decentraleyes [7]


Prismbreak, a list of tools avoid massive surveillance

A list of tools, please check their descriptions inside... https://prism-break.org/en/